There are a lot of reasons to dislike 3D: The prospect of wearing a stranger's glasses for two hours, the extra $5 tacked onto the price of your ticket, the occasional headache. So when is it worth it?

Today, we want to know when (if ever( you prefer seeing movies in 3D. Tell us in the comments what exactly it is that makes a 3D movie appeal or to you or not — and which 3D movies worked the best or flopped the hardest. Pictures too, please!